Your search for "Githzerai Monk 20" revealed the following:
Githzerai Monk (Foil) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Dan Murayama Scott Card Text:FlashFlyingPsychic Defense — When Githzerai Monk enters the battlefield, tap all creatures you don't control....
Githzerai Monk (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Dan Murayama Scott Card Text:FlashFlyingPsychic Defense — When Githzerai Monk enters the battlefield, tap all creatures you don't control.